Aunt Mary is crazy about shopping. She must be snapping up the bargains in the department store during such a sale, ?
A. mustn’t she?
B. isn’t she
C. needn’t she
D. doesn’t she
网友回答
A. mustn’t she?
(答案→)B. isn’t she
C. needn’t she
D. doesn’t she
解析：考查反义疑问句。句中含情态动词must的反义疑问句，对现在动作或存在的情况的推测，反义疑问部分用一般现在时，选B。